History Of Hot Air Balloons
Ever since a long time ago, man always dreamed of flying high in the sky. It brought about the development of objects imitating birds. Many centuries later after different theories and test, people were able to come up with the hot air balloon. A hot air balloon, a flying device lighter than air aircraft which has an envelope (a bag carrying passengers) and also uses heated air for propulsion. The invention of the machine was the birth of aerodynamics. The Hot air balloons are the first man-carrying objects in the atmosphere although it was not perfected and very unsafe at the time. Etienne and Joseph Montgolfier designed “Aerostat Reveillon” the...